Finding the Fourth Proportional to 1,373.37, 1,896.12 and 902.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,373.37 : 1,896.12 = 902.10 : x
2. Step 2: Convert to fraction form
   1,373.37/1,896.12 = 902.10/x
3. Step 3: Cross multiply
   1,373.37x = 1,896.12 × 902.10
4. Step 4: Simplify right side
   1,373.37x = 1,710,484.61
5. Step 5: Solve for x
   x = 1,710,484.61/1,373.37
6. Step 6: Final answer
   x = 1,245.47